CVE-2021-47054

MEDIUM
Published Feb 29, 2024 Modified Dec 10, 2024

Description

In the Linux kernel, the following vulnerability has been resolved: bus: qcom: Put child node before return Put child node before return to fix potential reference count leak. Generally, the reference count of child is incremented and decremented automatically in the macro for_each_available_child_of_node() and should be decremented manually if the loop is broken in loop body.

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CVSS v3.1 Score

5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products

Vendor Product
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel

References

Advisories & Patches

https://git.kernel.org/stable/c/00f6abd3509b1d70d0ab0fbe65ce5685cebed8be https://git.kernel.org/stable/c/3a76ec28824c01b57aa1f0927841d75e4f167cb8 https://git.kernel.org/stable/c/6b68c03dfc79cd95a58dfd03f91f6e82829a1b0c https://git.kernel.org/stable/c/94810fc52925eb122a922df7f9966cf3f4ba7391 https://git.kernel.org/stable/c/a399dd80e697a02cfb23e2fc09b87849994043d9 https://git.kernel.org/stable/c/a6191e91c10e50bd51db65a00e03d02b6b0cf8c4 https://git.kernel.org/stable/c/ac6ad7c2a862d682bb584a4bc904d89fa7721af8 https://git.kernel.org/stable/c/c6f8e0dc8da1cd78d640dee392071cc2326ec1b2 https://git.kernel.org/stable/c/00f6abd3509b1d70d0ab0fbe65ce5685cebed8be https://git.kernel.org/stable/c/3a76ec28824c01b57aa1f0927841d75e4f167cb8 https://git.kernel.org/stable/c/6b68c03dfc79cd95a58dfd03f91f6e82829a1b0c https://git.kernel.org/stable/c/94810fc52925eb122a922df7f9966cf3f4ba7391 https://git.kernel.org/stable/c/a399dd80e697a02cfb23e2fc09b87849994043d9 https://git.kernel.org/stable/c/a6191e91c10e50bd51db65a00e03d02b6b0cf8c4 https://git.kernel.org/stable/c/ac6ad7c2a862d682bb584a4bc904d89fa7721af8 https://git.kernel.org/stable/c/c6f8e0dc8da1cd78d640dee392071cc2326ec1b2

Frequently Asked Questions

What is CVE-2021-47054? +
In the Linux kernel, the following vulnerability has been resolved: bus: qcom: Put child node before return Put child node before return to fix potential reference count leak. Generally, the reference count of child is incremented and decremented automatically in the macro for_each_available_child_of_node() and should be decremented manually if the loop is broken in loop body. It has a CVSS v3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2021-47054? +
CVE-2021-47054 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2021-47054? +
CVE-2021-47054 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2021-47054? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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